Overview
Enköpings Avloppsreningsverk serves approximately 29,441 people in Enköping, Sweden. The plant discharges treated wastewater into the local watershed, contributing to the region's water management under EU regulations.
Enköpings Avloppsreningsverk is a municipal wastewater treatment plant located in Enköping, Uppsala County, Sweden. It serves a population of around 29,441, classifying it as a medium-sized agglomeration under EU standards. The plant is situated near the coast, within 50 km of the Baltic Sea, and plays a key role in protecting local water quality. As a Swedish facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. Sweden also enforces national standards for nutrient removal, particularly in sensitive areas like the Baltic Sea catchment. The plant's designed capacity is 1.00 (likely in thousands of cubic meters per day), indicating its scale of operation. The treated effluent is discharged into the local water system, which ultimately drains into the Baltic Sea via the Mälaren basin or nearby coastal waters. This makes the plant's performance critical for reducing eutrophication and protecting marine ecosystems. The Baltic Sea is a sensitive brackish environment, and Swedish plants often employ advanced treatment to limit nitrogen and phosphorus loads.
Environmental context
The plant's discharge enters the Enköping area's water network, which flows into Lake Mälaren and eventually the Baltic Sea. The Baltic Sea is a semi-enclosed, brackish sea highly sensitive to nutrient pollution, leading to algal blooms and oxygen depletion. Effective wastewater treatment here is vital for preserving aquatic biodiversity and supporting regional fisheries and recreation.
Frequently asked questions
The plant is located at Magasingatan, Munksundet, Enköping, in Uppsala County, Sweden.
The plant serves approximately 29,441 people, classifying it as a medium-sized agglomeration under EU definitions.
Treated wastewater is discharged into the local water system, which flows into Lake Mälaren and ultimately the Baltic Sea.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC) and Swedish national regulations, which mandate secondary treatment and nutrient removal for plants of this size.
Swedish plants of this scale typically employ secondary biological treatment with nutrient removal (nitrogen and phosphorus) to meet stringent discharge limits, especially in the Baltic Sea catchment.
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